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Siemens Key Switch, 22mm

Siemens Key Switch,   22mm
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Siemens Key Switch, 22mm
  • Our SB30 replacement keys fit these Siemens (Ronis) 22mm Key Switches and Key-released E-Stop buttons
  • The SB30 key is Siemens part #  3SB3910-4A
  • See also the non-standard Siemens keys for this switch:
  • 455 key, Siemens part #  64XK1
  • 421 key
  • SB31 key
    NOTE: Our replacement keys are pre-cut, in stock and available for immediate delivery. They are produced on blanks from an aftermarket supplier and are not stamped with the key number. They are guaranteed to work as well as the originals. This is the standard key for this switch.

Item# Item Name Price QTY
SB30 - replacement key - (2 Keys)
SB30 - replacement key - (6 Keys)
SB30 - replacement key - (12 Keys)
See our quantity discounts on replacement keys!

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